Delta RPI-M15A - Page 19

18
1
2
3
4
L1
L2
L3
N
PE
Communication
Wiring
1
2
3
PV Array
AC Wiring
DC Wiring
Parallel or
Separate
DC Distribution box
DC1 DC2
*
* Some models can support 3P3W
system, please refer to table 5-3.
Figure 5-1 Connection of system if DC inputs are floating
Isolated
transformer
Utility
To
Inverter
3Ph,
400Vac
3Ph,
400Vac
Must be Parallel
Connection
PV Array
DC Distribution box
(Plus-GND or Minus-GND)
Z
Z
or
Must install a
transformer
Some models can support 3P3W
system, please refer to table 5-3.
Figure 5-2 Connection of system with Positive Ground or Negative Ground